Home / 124,839.75-172,279.47-68,251.14

Finding the Fourth Proportional to 124,839.75, 172,279.47 and 68,251.14

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Solution

The fourth proportional to 124,839.75, 172,279.47 and 68,251.14 is: 94,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,839.75 : 172,279.47 = 68,251.14 : x
  2. Step 2: Convert to fraction form
    124,839.75/172,279.47 = 68,251.14/x
  3. Step 3: Cross multiply
    124,839.75x = 172,279.47 × 68,251.14
  4. Step 4: Simplify right side
    124,839.75x = 11,758,270,226.10
  5. Step 5: Solve for x
    x = 11,758,270,226.10/124,839.75
  6. Step 6: Final answer
    x = 94,186.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.